CN220082175U - Shielded electric ball valve - Google Patents

Shielded electric ball valve Download PDF

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Publication number
CN220082175U
CN220082175U CN202321622748.6U CN202321622748U CN220082175U CN 220082175 U CN220082175 U CN 220082175U CN 202321622748 U CN202321622748 U CN 202321622748U CN 220082175 U CN220082175 U CN 220082175U
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CN
China
Prior art keywords
valve
ball valve
sealing ring
shaft
cover
Prior art date
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Application number
CN202321622748.6U
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Chinese (zh)
Inventor
刘其斌
周宁
郑志成
李耀武
杨佳明
艾阳
李林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI VALVE FACTORY CO Ltd
Nuclear Power Institute of China
Original Assignee
SHANGHAI VALVE FACTORY CO Ltd
Nuclear Power Institute of China
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Application filed by SHANGHAI VALVE FACTORY CO Ltd, Nuclear Power Institute of China filed Critical SHANGHAI VALVE FACTORY CO Ltd
Priority to CN202321622748.6U priority Critical patent/CN220082175U/en
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Publication of CN220082175U publication Critical patent/CN220082175U/en
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Abstract

The utility model relates to the field of valves and discloses a shielding type electric ball valve which comprises a valve body, wherein a ball valve for controlling a valve body switch is rotationally connected to the valve body, a valve cover is arranged on the valve body, a rotating hole is formed in the valve cover in a penetrating mode, a driving shaft is fixed on the ball valve, the rotating hole and the driving shaft are coaxially arranged, a shaft connecting sleeve is arranged on the driving shaft, a shielding motor is arranged at one end, far away from the valve body, of the valve cover, a sealing ring is arranged at one side, close to the valve cover, of the shielding motor, the sealing ring is abutted to the valve cover, a driving rod is arranged in the shielding motor, and the driving rod is fixedly connected to the shaft connecting sleeve. The utility model has the effects of reducing the problem of sealing leakage of the valve and improving the stability of the valve.

Description

Shielded electric ball valve
Technical Field
The utility model relates to the field of valves, in particular to a shielding type electric ball valve.
Background
Valves are currently mechanical devices that control the flow, direction, pressure, temperature, etc. of a flowing fluid medium, including shut-off valves, throttle valves, check valves, ball valves, butterfly valves, etc.
In the related art, the ball valve comprises a valve body, the valve body is rotationally connected with a valve ball, a driving shaft is arranged on the valve ball through the rotation of the valve ball, a communication hole which is in plug-in fit with the driving shaft is formed in the valve body, a sealing block is arranged in a gap between the driving shaft and the communication hole in order to ensure the tightness of the driving shaft, the sealing block adopts high-position-resistant graphite filling materials, the normal rotation of the driving shaft can be ensured, the tightness of the ball valve can be ensured, and a driving piece for driving the driving shaft to rotate is arranged on the valve body.
According to the prior art, due to the fact that the driving shaft rotates for a long time, the high-position friction-resistant graphite filling material is selected, the service life of the sealing block can be prolonged better, but the driving shaft is in a rotating state during operation, after common use, the graphite filling material is influenced by high and low temperature and high and low pressure of liquid in a pipeline, expansion and shrinkage of the graphite filling material are influenced to a certain extent, gaps are formed between the driving shaft and the communication hole, leakage of the liquid is easy to occur, sealing performance of the ball valve is reduced, and improvement is needed.
Disclosure of Invention
In order to reduce the problem of sealing leakage of a valve and improve the stability of the valve, the utility model provides a shielding type electric ball valve.
The utility model provides a shielding type electric ball valve which adopts the following technical scheme:
the utility model provides a shielding formula electric ball valve, includes the valve body, the valve body internal rotation is connected with the ball valve that is used for controlling the valve body switch, there is the valve gap on the valve body, run through on the valve gap and seted up the rotation hole, be fixed with the drive shaft on the ball valve, the rotation hole with the coaxial setting of drive shaft, be provided with the axle in the drive shaft and link the cover, the one end that the valve body was kept away from to the valve gap is provided with the canned motor, the canned motor is close to one side of valve gap is provided with the sealing ring, the sealing ring butt in on the valve gap, be provided with the actuating lever in the canned motor, actuating lever fixed connection in on the axle links the cover.
By adopting the technical scheme, when the ball valve is opened, liquid flows into the driving structure, the valve cover is abutted against by the sealing ring, and the liquid can be reduced from entering the shielding motor by matching with the shielding motor, so that the sealing of the electric valve is realized, the connection between the driving rod and the driving shaft can be realized by matching with the shaft connecting sleeve, and the rotation of the ball valve is realized; by adopting the design, the use of graphite filler can be better reduced, so that the damage of the graphite filler is reduced, the cost of sealing the electric valve is reduced, the convenience of using the electric valve is improved, and the sealing ring and the shielding motor are matched, so that the leakage of liquid is reduced, the tightness of using the electric valve is improved, the use of the graphite filler is reduced, the resistance of the ball valve can be driven, and the fluency of driving the ball valve to rotate is improved.
Preferably, a plurality of clamping pieces are arranged on one side of the shaft connecting sleeve, which is close to the driving shaft, a gap is formed between every two adjacent clamping pieces, the plurality of clamping pieces are matched to clamp the driving shaft, and a locking piece for tightening the clamping pieces is arranged between every two adjacent clamping pieces.
Through adopting above-mentioned technical scheme, a plurality of clamping pieces are held tightly a plurality of drive shafts through the retaining member to can more stable realization drive shaft's connection improves the stability of using the axle to link the cover.
Preferably, the shaft connecting sleeve is internally provided with a plug hole, the driving rod is in plug fit with the plug hole, the upper outer wall of the driving rod is provided with a positioning key, and the inner wall of the plug hole is provided with a positioning groove in plug fit with the positioning key.
Through adopting above-mentioned technical scheme, when installing, directly peg graft the actuating lever in the spliced eye to can install the canned motor more conveniently, improve the convenience of using the motorised valve.
Preferably, the outer wall of the shaft connecting sleeve is provided with a plurality of heat dissipation rings.
Through adopting above-mentioned technical scheme, can form the water film when liquid in the spliced eye between shaft even cover and the spliced eye inner wall to reduce the friction between heat dissipation ring outer wall and the spliced eye inner wall, improve the smoothness nature of drive ball valve, when the interior carried liquid temperature of ball valve is too high, can dispel the heat with the temperature that the drive shaft passed better through the heat dissipation ring, reduced high temperature transmission to actuating lever and canned motor on, reduce canned motor and receive the condition emergence of damage, improve the stability of using the motorised valve.
Preferably, a space cavity is formed between the driving rod and the driving shaft.
Through adopting above-mentioned technical scheme, the interval cavity can reduce actuating lever and drive shaft direct contact to can reduce on the overhead transmission of drive shaft to the actuating lever, reduce high temperature transmission to on the canned motor, reduce the canned motor and receive the condition emergence of damage, improve the stability of using the motorised valve.
Preferably, a limiting ring is arranged on one side, close to the sealing ring, of the valve cover, a limiting groove is formed in the limiting ring, the sealing ring is inserted into the limiting groove, and the outer wall of the sealing ring is abutted to the inner wall of the limiting ring.
Through adopting above-mentioned technical scheme, can carry out spacingly to the sealing ring on the one hand, improve the stability that the sealing ring used, on the other hand, the sealing ring butt is on the valve gap, and outer wall butt is on spacing ring inner wall to can increase the sealing area of sealing ring, improve the sealed effect of sealing ring.
Preferably, a sealing gasket is arranged on one side, close to the sealing ring, of the valve cover, and the sealing ring is abutted to the sealing gasket.
Preferably, the shielding motor is connected with a plurality of screw columns in a screw fit manner, the screw columns penetrate through the valve cover, the screw columns are connected with fixing nuts in a screw fit manner, and the fixing nuts are abutted to the valve cover.
Through adopting above-mentioned technical scheme, use a plurality of screw thread posts and the fixed nut cooperation to realize the fixed of valve gap, improve the stability of using the valve gap fixed.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the sealing ring is abutted against the valve cover, and liquid can be reduced from entering the shielding motor by matching with the shielding motor, so that the sealing of the electric valve is realized, the connection between the driving rod and the driving shaft can be realized by matching with the shaft connecting sleeve, and the rotation of the ball valve is realized; by adopting the design, the use of graphite filler can be better reduced, so that the damage of the graphite filler is reduced, the cost of sealing the electric valve is reduced, the convenience of using the electric valve is improved, and the sealing ring and the shielding motor are matched, so that the leakage of liquid is reduced, the tightness of using the electric valve is improved, the use of the graphite filler is reduced, the resistance of driving the ball valve is improved, and the fluency of driving the ball valve to rotate is improved;
2. the plurality of clamping pieces tightly hold the plurality of driving shafts through the locking pieces, so that the connection of the driving shafts can be realized more stably, and the stability of using the shaft connecting sleeve is improved;
3. through setting up the heat dissipation ring, can form the water film between the continuous cover of axle and the spliced eye inner wall when liquid in the spliced eye to reduce the friction between heat dissipation ring outer wall and the spliced eye inner wall, improve the smoothness nature of drive ball valve, when the interior carried liquid temperature of ball valve is too high, can dispel the heat with the temperature that the drive shaft passed through better through the heat dissipation ring, reduced high temperature transmission to on actuating lever and the canned motor, reduce the canned motor and receive the condition emergence of damage, improve the stability of using the motorised valve.
Drawings
Fig. 1 is a schematic structural view of a shielded electric ball valve according to an embodiment of the present utility model.
Fig. 2 is an enlarged schematic view of the portion a in fig. 1.
Reference numerals: 1. a valve cover; 2. a drive shaft; 3. the shaft is connected with the sleeve; 4. shielding the motor; 5. a seal ring; 7. a fixed screw cap; 8. a clamping piece; 10. a locking member; 11. a plug hole; 12. a positioning key; 13. a positioning groove; 14. a heat dissipation ring; 15. spacing the cavities; 16. a limiting ring; 17. a limit groove; 18. a sealing gasket; 19. a rotation hole; 20. a driving rod; 21. a threaded column; 22. a valve body; 23. ball valve.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-2.
The embodiment of the utility model discloses a shielding type electric ball valve.
Referring to fig. 1 and 2, a shielding type electric ball valve comprises a valve body 22, wherein a ball valve 23 for opening and closing the valve body 22 is rotationally connected to the valve body 22, a valve cover 1 is connected to the valve body 22 through bolts, a driving shaft 2 is fixed to the ball valve 23, the valve cover 1 is connected to the valve body 22 through bolts, the section of the valve cover 1 is I-shaped, a plurality of supporting ribs are integrally formed in the valve cover 1, the supporting ribs improve the integral strength of the valve cover 1, a rotating hole 19 is formed in the valve cover 1 in a penetrating mode, and the rotating hole 19 is a cylindrical hole. The ball valve 23 is fixed with the drive shaft 2, and the drive shaft 2 is cylindric, and with the coaxial setting of rotation hole 19, is fixed with the axle on the drive shaft 2 and even overlaps 3, and shielding motor 4 is installed to one side that valve gap 1 kept away from valve body 22, and shielding motor 4 is sealed motor, reduces liquid and gets into inside shielding motor 4. One side integrated into one piece that shielding motor 4 is close to valve gap 1 has sealing ring 5, and sealing ring 5 is the ring, and screw thread fit connection has screw thread post 21 on the shielding motor 4, and screw thread post 21 circumference array sets up, and screw thread post 21 runs through valve gap 1, and screw thread fit connection has fixation nut 7 on the screw thread post 21, and fixation nut 7 butt is on valve gap 1 to realize shielding motor 4's fixation, sealing ring 5 butt is on valve gap 1, thereby realizes sealing ring 5's seal. A driving rod 20 is arranged in the shielding motor 4, the driving rod 20 is cylindrical, and the driving rod 20 is fixedly connected to the shaft connecting sleeve 3.
By adopting the design, liquid is sealed through the sealing ring 5, and the sealing ring 5 is fixedly arranged, so that the sealing can be better carried out, the use stability of the electric valve is improved, the use of graphite filling materials is reduced, the resistance when the ball valve 23 is driven is reduced, and the rotating fluency of the electric valve is improved.
One side integrated into one piece that the axle even cover 3 is close to drive shaft 2 has a plurality of clamping pieces 8, and this embodiment adopts two clamping pieces 8, and clamping piece 8 is C, is formed with the gap between two clamping pieces 8, is used for pressing from both sides tight drive shaft 2 through two clamping pieces 8 cooperation, is fixed with the retaining member 10 that is used for taut two clamping pieces 8 on the clamping piece 8, and retaining member 10 is locking bolt, and locking bolt runs through grafting in one of them clamping piece 8 to screw-thread fit connects on another clamping piece 8, improves the fixed firmness of drive shaft 2 and clamping piece 8.
The shaft is connected with the sleeve 3 and is internally provided with the plug hole 11, the plug hole 11 is cylindrical, the plug hole 11 penetrates through two ends of the shaft connected with the sleeve 3, the driving rod 20 is in plug fit with the plug hole 11, the outer wall of the driving rod 20 is fixedly provided with the positioning key 12, the inner wall of the plug hole 11 is provided with the positioning groove 13 in plug fit with the positioning key 12, the connection between the driving rod 20 and the shaft connected with the sleeve 3 is realized through the positioning key 12, and the stability of using the shaft connected with the sleeve 3 is improved.
The outer wall of the shaft connecting sleeve 3 is provided with a plurality of heat dissipation rings 14, the heat dissipation rings 14 are annular, and the heat dissipation rings 14 are arranged at intervals along the axial direction of the shaft connecting sleeve 3. The spacing cavity 15 is formed before the driving rod 20 and the driving shaft 2, the spacing cavity 15 can better radiate heat of the shaft connecting sleeve 3, the occurrence of damage to the shielding motor 4 is reduced, and the stability of using the electric valve is improved.
One side integrated into one piece that valve gap 1 is close to sealing ring 5 has spacing ring 16, and spacing ring 16 external diameter is unanimous with valve gap 1 external diameter, is formed with spacing groove 17 in the spacing ring 16, and spacing groove 17 is cylindricly, and sealing ring 5 is pegged graft on spacing groove 17, and sealing ring 5 outer wall butt is on spacing ring 16 inner wall, and spacing ring 16 can increase sealing contact area of sealing ring 5, improves the leakproofness that sealing ring 5 used. One side of the valve cover 1, which is close to the sealing ring 5, is fixed with a sealing gasket 18, the sealing gasket 18 is made of high-temperature-resistant rubber materials, the sealing gasket 18 is in a circular ring shape, and the sealing ring 5 is abutted against a groove on the sealing gasket 18, so that the sealing of the sealing ring 5 is realized, and the sealing performance of an electric valve is improved.
The implementation principle of the shielding type electric ball valve provided by the embodiment of the utility model is as follows: when the electric valve is used, after the ball valve 23 is opened, liquid in the valve body 22 enters the plug hole 11 and is matched with the sealing ring 5 to seal the electric valve; by adopting the design, the resistance to the rotation of the driving shaft 2 and the driving rod 20 can be reduced, so that the driving shaft 2 and the driving rod 20 can rotate more smoothly, and the stability of the rotation of the ball valve 23 is improved.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. A shielded electric ball valve, characterized in that: including valve body (22), the ball valve (23) that are used for controlling valve body (22) switch are connected with in valve body (22) internal rotation, there is valve gap (1) on valve body (22), run through on valve gap (1) and seted up rotation hole (19), be fixed with drive shaft (2) on ball valve (23), rotation hole (19) with drive shaft (2) coaxial setting, be provided with on drive shaft (2) and link cover (3), one end that valve gap (1) kept away from valve body (22) is provided with canned motor (4), canned motor (4) are close to one side of valve gap (1) is provided with sealing ring (5), sealing ring (5) butt in on valve gap (1), be provided with actuating lever (20) in canned motor (4), actuating lever (20) fixed connection in on link cover (3).
2. The shielded, electrically operated ball valve of claim 1, wherein: the shaft is connected one side of the cover (3) near the driving shaft (2) and is provided with a plurality of clamping pieces (8), gaps are formed between the adjacent clamping pieces (8), the plurality of clamping pieces (8) are matched to clamp the driving shaft (2), and locking pieces (10) for tensioning the clamping pieces (8) are arranged between the connecting clamping pieces (8).
3. The shielded, electrically operated ball valve of claim 2, wherein: the novel shaft connecting sleeve is characterized in that a plug hole (11) is formed in the shaft connecting sleeve (3), the driving rod (20) is in plug fit with the plug hole (11), a positioning key (12) is arranged on the upper outer wall of the driving rod (20), and a positioning groove (13) in plug fit with the positioning key (12) is formed in the inner wall of the plug hole (11).
4. A shielded electrically operated ball valve as set forth in claim 3 wherein: the outer wall of the shaft connecting sleeve (3) is provided with a plurality of heat dissipation rings (14).
5. The shielded, electrically operated ball valve of claim 4, wherein: a spacing cavity (15) is formed between the driving rod (20) and the driving shaft (2).
6. The shielded, electrically operated ball valve of claim 1, wherein: one side of the valve cover (1) close to the sealing ring (5) is provided with a limiting ring (16), a limiting groove (17) is formed in the limiting ring (16), the sealing ring (5) is inserted into the limiting groove (17), and the outer wall of the sealing ring (5) is abutted to the inner wall of the limiting ring (16).
7. The shielded, electrically operated ball valve of claim 6, wherein: one side of the valve cover (1) close to the sealing ring (5) is provided with a sealing gasket (18), and the sealing ring (5) is abutted to the sealing gasket (18).
8. The shielded, electrically operated ball valve of claim 1, wherein: the shielding motor is characterized in that a plurality of threaded columns (21) are connected to the shielding motor (4) in a threaded fit mode, the threaded columns (21) penetrate through the valve cover (1), fixing nuts (7) are connected to the threaded columns (21) in a threaded fit mode, and the fixing nuts (7) are abutted to the valve cover (1).
CN202321622748.6U 2023-06-25 2023-06-25 Shielded electric ball valve Active CN220082175U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321622748.6U CN220082175U (en) 2023-06-25 2023-06-25 Shielded electric ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321622748.6U CN220082175U (en) 2023-06-25 2023-06-25 Shielded electric ball valve

Publications (1)

Publication Number Publication Date
CN220082175U true CN220082175U (en) 2023-11-24

Family

ID=88832480

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321622748.6U Active CN220082175U (en) 2023-06-25 2023-06-25 Shielded electric ball valve

Country Status (1)

Country Link
CN (1) CN220082175U (en)

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